<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>jsyanshi</title>
		<script src="java46.js"></script>
		<script>
			alert(4);
			document.write("welcome to javascript world!");
		</script>
	</head>
	<body>
		<input type="button" value="点击" onclick="javascript:alert(11)"/>
	</body>
</html>
